Full Idea
A regularity-law does not explain its instances, because such laws play no role in determining or governing their instances.
Gist of Idea
Regularity laws don't explain, because they have no governing role
Source
Stephen Mumford (Laws in Nature [2004], 09.7)
Book Reference
Mumford,Stephen: 'Laws in Nature' [Routledge 2006], p.156
A Reaction
Good. It has always seemed to me entirely vacuous to explain an event simply by saying that it falls under some law.